Hourly Forecast - Saint-Léonard
FROST ADVISORY
Frost may damage frost-sensitive fruit trees and vegetable plants. Temperatures will drop below the freezing mark overnight Wednesday night. Take preventative measures to protect frost-sensitive plants and trees. Frost advisories are issued when temperatures are expected to reach the freezing mark during the growing season, leading to potential damage and destruction to plants and crops. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to QCstorm@ec.gc.ca or post reports on X using #QCStorm.
- Montréal Island area
Regional ATOM| Date/Time (EDT) | Temp. (°C) | Weather Conditions | Likelihood of precip (%) | UV index | Wind (km/h) |
|---|---|---|---|---|---|
| 30 April 2025 | |||||
| 06:00 | 2 |  Sunny | 0 | * | W 20 gusts 40 |
| 07:00 | 2 | Sunny | 0 | 1 | W 20 gusts 40 |
| 08:00 | 1 | Sunny | 0 | 2 | W 20 gusts 40 |
| 09:00 | 3 | Sunny | 0 | 4 | W 15 |
| 10:00 | 4 | Sunny | 0 | 5 | W 15 |
| 11:00 | 6 | Sunny | 0 | 6 | W 15 |
| 12:00 | 7 | Sunny | 0 | 7 | W 15 |
| 13:00 | 8 | Sunny | 0 | 6 | W 15 |
| 14:00 | 9 | Sunny | 0 | 5 | W 15 |
| 15:00 | 10 | Sunny | 0 | 3 | W 15 |
| 16:00 | 11 | Sunny | 0 | 2 | W 15 |
| 17:00 | 12 | Sunny | 0 | 1 | W 15 |
| 18:00 | 11 |  Mainly sunny | 0 | * | W 15 |
| 19:00 | 10 | Mainly sunny | 0 | * | W 15 |
| 20:00 | 9 |  A few clouds | 0 | * | W 15 |
| 21:00 | 9 | A few clouds | 0 | * | W 10 |
| 22:00 | 8 | A few clouds | 0 | * | W 10 |
| 23:00 | 8 | A few clouds | 0 | * | W 10 |
| 1 May 2025 | |||||
| 00:00 | 7 | A few clouds | 0 | * | W 10 |
| 01:00 | 7 | A few clouds | 0 | * | W 10 |
| 02:00 | 6 | A few clouds | 0 | * | W 10 |
| 03:00 | 6 | A few clouds | 0 | * | VR 5 |
| 04:00 | 5 | A few clouds | 0 | * | VR 5 |
| 05:00 | 5 | A few clouds | 0 | * | VR 5 |
* Value not significant
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